Ranking of Washington Counties By Percentage of Population that are Non-Hispanic Black or African American in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all Washington counties, Pierce County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Black or African American (7.01%), followed by King County (6.52%), and Snohomish County (3.38%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Washington counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Washington Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2018
Pierce
King
Snohomish
Thurston
Kitsap
Island
Whitman
Clark
Franklin
Walla Walla
Ranking of Washington Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2018
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Rank County % of County Population
1 Pierce County 7.01
2 King County 6.52
3 Snohomish County 3.38
4 Thurston County 3.14
5 Kitsap County 2.79
6 Island County 2.72
7 Whitman County 2.23
8 Clark County 2.07
9 Franklin County 2.06
10 Walla Walla County 2
11 Spokane County 1.82
12 Benton County 1.39
13 Mason County 1.27
14 Grays Harbor County 1.19
15 Whatcom County 1.07
16 Kittitas County 1
17 Jefferson County 0.96
18 Cowlitz County 0.93
19 Clallam County 0.9
19 Grant County 0.9
20 Yakima County 0.82
21 Pacific County 0.79
21 Skagit County 0.79
22 Columbia County 0.72
22 Lewis County 0.72
23 San Juan County 0.7
24 Okanogan County 0.69
25 Asotin County 0.63
25 Pend Oreille County 0.63
26 Skamania County 0.58
27 Ferry County 0.57
28 Adams County 0.54
29 Chelan County 0.5
29 Klickitat County 0.5
29 Stevens County 0.5
30 Douglas County 0.46
31 Lincoln County 0.45
32 Wahkiakum County 0.41
33 Garfield County 0.09